UpdateResponseType.php

<?php declare(strict_types=1);

/**
 * @method static self AUTO()
 * @method static self ASK()
 * @method static self SCHEDULE()
 * @method static self IGNORE()
 */
final class UpdateResponseType
{
    private static $allValues = [
        'AUTO', 'ASK', 'SCHEDULE', 'IGNORE'
    ];
    
    private $value;
    
    private function __construct(string $aValue)
    {
        $this->value = strtoupper($aValue);
    }
    
    public static function validate(string $aValue) : bool
    {
        return in_array(strtoupper($aValue), static::$allValues);
    }
    
    public static function fromString(string $aValue) : self
    {
        if (static::validate($aValue)) {
            return new static($aValue);
        }
    }
    
    public static function listAll()
    {
        foreach (static::$allValues as $value) {
            yield $value => static::fromString($value);
        }
    }
    
    public static function __callStatic(string $aMethod, array $args = []) : self
    {
        return static::fromString($aMethod);
    }
    
    public function hasValue(string $aValue) : bool
    {
        return $this->value === strtoupper($aValue);
    }
    
    public function isAuto() : bool
    {
        return $this->hasValue('AUTO');
    }
    
    public function isAsk() : bool
    {
        return $this->hasValue('ASK');
    }
    
    public function isSchedule() : bool
    {
        return $this->hasValue('SCHEDULE');
    }
    
    public function isIgnore() : bool
    {
        return $this->hasValue('IGNORE');
    }
    
    public function __toString() : string
    {
        return $this->value;
    }
}